./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e70fb0031ee54295dcc583b462c02b21fc0481d0 ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e70fb0031ee54295dcc583b462c02b21fc0481d0 ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:29,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:29,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:29,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:29,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:29,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:29,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:29,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:29,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:29,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:29,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:29,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:29,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:29,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:29,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:29,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:29,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:29,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:29,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:29,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:29,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:29,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:29,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:29,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:29,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:29,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:29,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:29,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:29,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:29,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:29,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:29,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:29,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:29,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:29,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:29,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:29,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:29,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:29,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:29,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:29,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:29,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:29,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:29,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:29,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:29,869 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:29,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:29,869 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:29,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:29,870 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:29,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:29,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:29,871 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:29,871 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:29,871 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:29,872 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:29,872 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:29,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:29,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:29,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:29,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:29,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:29,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:29,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:29,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:29,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:29,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:29,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:29,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:29,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:29,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:29,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:29,877 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:29,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:29,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:29,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:29,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:29,878 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e70fb0031ee54295dcc583b462c02b21fc0481d0 [2020-11-22 13:05:30,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:30,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:30,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:30,131 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:30,131 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:30,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_double.c [2020-11-22 13:05:30,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/1e87253f6/b0c36f2fcb4b42df92d3e530bc9d94d0/FLAGd43a6247a [2020-11-22 13:05:30,619 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:30,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/sv-benchmarks/c/float-benchs/nan_double.c [2020-11-22 13:05:30,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/1e87253f6/b0c36f2fcb4b42df92d3e530bc9d94d0/FLAGd43a6247a [2020-11-22 13:05:31,005 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/1e87253f6/b0c36f2fcb4b42df92d3e530bc9d94d0 [2020-11-22 13:05:31,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:31,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:31,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:31,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:31,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:31,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dce18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31, skipping insertion in model container [2020-11-22 13:05:31,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:31,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:31,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:31,216 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:31,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:31,262 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:31,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31 WrapperNode [2020-11-22 13:05:31,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:31,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:31,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:31,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:31,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:31,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:31,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:31,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:31,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... [2020-11-22 13:05:31,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:31,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:31,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:31,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:31,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:05:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:31,628 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:31,628 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-22 13:05:31,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31 BoogieIcfgContainer [2020-11-22 13:05:31,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:31,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:31,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:31,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:31,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:31" (1/3) ... [2020-11-22 13:05:31,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee8a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:31, skipping insertion in model container [2020-11-22 13:05:31,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:31" (2/3) ... [2020-11-22 13:05:31,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee8a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:31, skipping insertion in model container [2020-11-22 13:05:31,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31" (3/3) ... [2020-11-22 13:05:31,648 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2020-11-22 13:05:31,673 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:31,684 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:05:31,699 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:05:31,737 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:31,737 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:31,737 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:31,737 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:31,738 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:31,738 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:31,738 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:31,738 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-22 13:05:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-22 13:05:31,760 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:31,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-22 13:05:31,761 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:31,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:31,767 INFO L82 PathProgramCache]: Analyzing trace with hash 48212, now seen corresponding path program 1 times [2020-11-22 13:05:31,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:31,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922451686] [2020-11-22 13:05:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:31,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:31,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:31,965 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:05:31,966 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:05:31,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:05:31,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:31 BoogieIcfgContainer [2020-11-22 13:05:31,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:31,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:31,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:31,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:31,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:31" (3/4) ... [2020-11-22 13:05:31,993 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:05:31,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:31,997 INFO L168 Benchmark]: Toolchain (without parser) took 985.75 ms. Allocated memory is still 113.2 MB. Free memory was 83.1 MB in the beginning and 65.0 MB in the end (delta: 18.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:31,998 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 86.0 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:32,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.21 ms. Allocated memory is still 113.2 MB. Free memory was 82.9 MB in the beginning and 91.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.39 ms. Allocated memory is still 113.2 MB. Free memory was 91.4 MB in the beginning and 90.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:32,003 INFO L168 Benchmark]: Boogie Preprocessor took 24.78 ms. Allocated memory is still 113.2 MB. Free memory was 90.1 MB in the beginning and 89.4 MB in the end (delta: 767.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,005 INFO L168 Benchmark]: RCFGBuilder took 305.36 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 77.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,006 INFO L168 Benchmark]: TraceAbstraction took 355.25 ms. Allocated memory is still 113.2 MB. Free memory was 76.8 MB in the beginning and 65.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:32,006 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 113.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:32,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 86.0 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.21 ms. Allocated memory is still 113.2 MB. Free memory was 82.9 MB in the beginning and 91.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.39 ms. Allocated memory is still 113.2 MB. Free memory was 91.4 MB in the beginning and 90.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.78 ms. Allocated memory is still 113.2 MB. Free memory was 90.1 MB in the beginning and 89.4 MB in the end (delta: 767.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 305.36 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 77.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 355.25 ms. Allocated memory is still 113.2 MB. Free memory was 76.8 MB in the beginning and 65.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 113.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L3] __assert_fail("0", "nan_double.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:34,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:34,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:34,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:34,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:34,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:34,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:34,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:34,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:34,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:34,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:34,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:34,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:34,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:34,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:34,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:34,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:34,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:34,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:34,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:34,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:34,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:34,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:34,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:34,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:34,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:34,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:34,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:34,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:34,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:34,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:34,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:34,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:34,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:34,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:34,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:34,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:34,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:34,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:34,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:34,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:34,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:34,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:34,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:34,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:34,644 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:34,644 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:34,645 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:34,645 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:34,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:34,645 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:34,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:34,648 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:34,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:34,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:34,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:34,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:34,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:34,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:34,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:34,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:34,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:34,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:34,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:34,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:34,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:34,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:34,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:34,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:34,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:34,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:34,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:34,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:34,653 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:34,653 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:34,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:34,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:34,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:34,654 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e70fb0031ee54295dcc583b462c02b21fc0481d0 [2020-11-22 13:05:35,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:35,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:35,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:35,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:35,107 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:35,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_double.c [2020-11-22 13:05:35,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/f75621b10/7a8abc94a81745c29515d36936af017f/FLAGdebca8ac8 [2020-11-22 13:05:35,639 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:35,640 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/sv-benchmarks/c/float-benchs/nan_double.c [2020-11-22 13:05:35,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/f75621b10/7a8abc94a81745c29515d36936af017f/FLAGdebca8ac8 [2020-11-22 13:05:36,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/data/f75621b10/7a8abc94a81745c29515d36936af017f [2020-11-22 13:05:36,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:36,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:36,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:36,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:36,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:36,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebdaffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36, skipping insertion in model container [2020-11-22 13:05:36,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:36,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:36,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:36,221 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:36,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:36,258 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:36,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36 WrapperNode [2020-11-22 13:05:36,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:36,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:36,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:36,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:36,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:36,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:36,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:36,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:36,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... [2020-11-22 13:05:36,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:36,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:36,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:36,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:36,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:36,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:36,791 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-22 13:05:36,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36 BoogieIcfgContainer [2020-11-22 13:05:36,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:36,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:36,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:36,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:36,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:36" (1/3) ... [2020-11-22 13:05:36,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9499d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:36, skipping insertion in model container [2020-11-22 13:05:36,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:36" (2/3) ... [2020-11-22 13:05:36,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9499d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:36, skipping insertion in model container [2020-11-22 13:05:36,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36" (3/3) ... [2020-11-22 13:05:36,800 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2020-11-22 13:05:36,810 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:36,814 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:05:36,825 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:05:36,847 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:36,847 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:36,847 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:36,848 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:36,848 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:36,848 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:36,848 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:36,848 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-22 13:05:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-22 13:05:36,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:36,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-22 13:05:36,865 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:36,891 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-22 13:05:36,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:36,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440399873] [2020-11-22 13:05:36,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:37,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:05:37,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:05:37,150 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:05:37,151 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:05:37,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:37,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:37 BoogieIcfgContainer [2020-11-22 13:05:37,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:37,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:37,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:37,397 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:37,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:36" (3/4) ... [2020-11-22 13:05:37,400 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:05:37,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50953090-f1d5-40eb-aaf4-b9cb5a824476/bin/utaipan/witness.graphml [2020-11-22 13:05:37,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:37,438 INFO L168 Benchmark]: Toolchain (without parser) took 1390.47 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.9 MB in the beginning and 45.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,439 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:37,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.98 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 26.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 56.6 MB. Free memory was 26.3 MB in the beginning and 41.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,441 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 56.6 MB. Free memory was 41.0 MB in the beginning and 39.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,442 INFO L168 Benchmark]: RCFGBuilder took 462.20 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 29.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,443 INFO L168 Benchmark]: TraceAbstraction took 602.15 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 29.2 MB in the beginning and 47.6 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:37,447 INFO L168 Benchmark]: Witness Printer took 38.71 ms. Allocated memory is still 73.4 MB. Free memory was 47.6 MB in the beginning and 45.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:37,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 211.98 ms. Allocated memory is still 56.6 MB. Free memory was 35.8 MB in the beginning and 26.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 56.6 MB. Free memory was 26.3 MB in the beginning and 41.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 56.6 MB. Free memory was 41.0 MB in the beginning and 39.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 462.20 ms. Allocated memory is still 56.6 MB. Free memory was 39.7 MB in the beginning and 29.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 602.15 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 29.2 MB in the beginning and 47.6 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 38.71 ms. Allocated memory is still 73.4 MB. Free memory was 47.6 MB in the beginning and 45.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L3] __assert_fail("0", "nan_double.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...